Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 2.20
Milk (kg) -78.00 -0.014 1.09
Fat (kg) -0.72 -0.375 0.27
Prot (kg) -1.89 -0.441 0.83
Fertility Sub Index 4.94
Calving Interval (days) -2.40 -1.459 3.50
Survival (%) 1.29 1.117 1.44
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.08
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 3.61 -0.432 -1.56
Maintenance Sub Index Maint. Sub Index 6.19
Live WT (kg) -20.20 -0.307 6.19
Total Carbon Sub Index 17.21

* Based on an €80/tonne carbon price